Figure 3-20 Canada's Production Possibilities Frontier

Multiple Choice

Figure 3-20
Canada's Production Possibilities Frontier
Mexico's Production Possibilities Frontier
-Refer to Figure 3-20.If Canada and Mexico switch from each country dividing its time equally between the production of Good X and Good Y to each country spending all of its time producing the good in which it has a comparative advantage,then total production of Good X will increase by

A) 3 units.
B) 6 units.
C) 9 units.
D) 12 units.